package com.itheima.reggie.service.impl;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.IService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.itheima.reggie.common.CustomerException;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.mapper.CategoryMapper;
import com.itheima.reggie.mapper.DishMapper;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishService;
import com.itheima.reggie.service.SetmealService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class CategoryServiceImpl extends ServiceImpl<CategoryMapper,Category> implements CategoryService {

    @Autowired
    private DishService dishService;

    @Autowired
    private SetmealService setmealService;


    @Override
    public void remove(Long id) {

        //查询当前分类是否关联了菜品
        LambdaQueryWrapper<Dish> lambdaQueryWrapper=new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(Dish::getCategoryId,id);
        int count1 = dishService.count(lambdaQueryWrapper);
        System.out.println(count1);
        if(count1>0){
            throw new CustomerException("当前分类项关联了菜品");
        }

        //查询当前分类是否关联了套餐
        LambdaQueryWrapper<Setmeal> lambdaQueryWrapper1=new LambdaQueryWrapper<>();
        lambdaQueryWrapper1.eq(Setmeal::getCategoryId,id);
        int count2 = setmealService.count(lambdaQueryWrapper1);
        System.out.println(count2);
        if(count2>0){
            throw new CustomerException("当前分类项关联了套餐");
        }

        super.removeById(id);
    }
}
